Popcorn maker



FIG. 1 is a front and left side perspective view of a popcorn maker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown in the drawings are for illustrating portions of the popcorn maker that form no part of the claimed design. 

The ornamental design for a popcorn maker, as shown and described. 